I have the same problem, trying to install, gets to installing the development tools and says it failed. This is from the sdkmanager and Type error
12:04:23 SUMMARY: CUDA on Host - host: Install completed successfully.
12:04:23 SUMMARY: CUDA Cross Compile Package on Host - host: Install completed successfully.
12:04:23 SUMMARY: NVIDIA Nsight Graphics - host: Install completed successfully.
12:04:23 SUMMARY: NVIDIA Nsight Systems - host: Install completed successfully.
12:04:23 SUMMARY: Drivers for Jetson - target_image: Install completed successfully.
12:04:23 SUMMARY: File System and OS - target_image: Install completed successfully.
12:04:25 ERROR: VPI on Host - host: dpkg: error processing package vpi2-demos (–configure):
12:04:26 ERROR: VPI on Host - host: E: Sub-process /usr/bin/dpkg returned an error code (1)
12:04:28 ERROR: VPI on Host - host: dpkg: error processing package vpi2-demos (–configure):
12:04:30 ERROR: VPI on Host - host: E: Sub-process /usr/bin/dpkg returned an error code (1)
12:04:30 ERROR: VPI on Host - host: Unhandled error when running sudo apt-get install -y cmake g++: E: Sub-process /usr/bin/dpkg returned an error code (1);
12:04:30 ERROR: VPI on Host - host: command terminated with error
12:04:30 SUMMARY: VPI on Host - host: First Error: Installation failed.
12:04:34 ERROR: Could not detect correct NVIDIA Jetson device connected to USB. Verify that: 1. The device is connected to this host machine with a USB cable. 2. Correct target is selected in STEP 1. This can be validated by running the ‘lsusb’ command on your host, and look for (NVIDIA Corp).
12:04:34 ERROR: Connection to 192.168.50.104 22 port [tcp/ssh] succeeded!
12:05:12 ERROR: Jetson device is not in recovery mode. *To verify if the target device is in recovery mode, run ‘lsusb’ command on your host, and looking for 0955:7019 or 0955:7819 or 0955:7919 (NVIDIA Corp).
12:05:32 ERROR: Could not detect correct NVIDIA Jetson device connected to USB. Verify that: 1. The device is connected to this host machine with a USB cable. 2. Correct target is selected in STEP 1. This can be validated by running the ‘lsusb’ command on your host, and look for (NVIDIA Corp).
12:06:02 ERROR: Jetson device is not in recovery mode. *To verify if the target device is in recovery mode, run ‘lsusb’ command on your host, and looking for 0955:7019 or 0955:7819 or 0955:7919 (NVIDIA Corp).
12:06:04 ERROR: Could not detect correct NVIDIA Jetson device connected to USB. Verify that: 1. The device is connected to this host machine with a USB cable. 2. Correct target is selected in STEP 1. This can be validated by running the ‘lsusb’ command on your host, and look for (NVIDIA Corp).
12:07:17 ERROR: Flash Jetson AGX Xavier - flash: Board ID(2888) FAB(400) sku(0001) revision(J.0)
12:07:20 ERROR: Flash Jetson AGX Xavier - flash: 36137 blocks
12:07:20 ERROR: Flash Jetson AGX Xavier - flash: gzip: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/kernel/Image: not in gzip format
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: 52382 blocks
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: 20+0 records in
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: 20+0 records out
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: 20 bytes copied, 0.000540375 s, 37.0 kB/s
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2598: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not check_ismb2():
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2607: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:858: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not self.check_is_mb2applet():
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:865: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:07:24 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2598: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not check_ismb2():
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2607: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:858: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not self.check_is_mb2applet():
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:865: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2598: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not check_ismb2():
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_internal.py:2607: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:858: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0 and not self.check_is_mb2applet():
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: /home/encoder/nvidia/nvidia_sdk/JetPack_5.0_DP_Linux_DP_JETSON_AGX_XAVIER_TARGETS/Linux_for_Tegra/bootloader/tegraflash_impl_t234.py:865: SyntaxWarning: “is not” with a literal. Did you mean “!=”?
12:08:06 ERROR: Flash Jetson AGX Xavier - flash: while count is not 0:
INSTALLATION FAILED
Please review the terminal tab for details. Resolve and RETRY.
EXPORT LOGS
RETRY
FAILED ITEMS

STOP TRYING

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